Filtermart™ Bag Filters

Filtermart supplies industrial filter bags for applications across chemical processing, water and wastewater treatment, food and beverage production, paints and coatings, oils and lubricants, recycling, and other industrial processes. For liquid-focused applications, see our liquid filter solutions.

A properly selected bag filtration system can help protect downstream equipment, improve product quality, reduce maintenance requirements, and support more efficient processing operations. With different materials, micron ratings, sizes, and configurations available, industrial bag filters can be tailored to suit a wide range of operating conditions.

Bag Filter Operation & Filtration Performance

A bag filter works by directing contaminated liquid through a filter bag installed inside a compatible filter housing. As the liquid passes through the filtration media, suspended particles are captured inside or on the surface of the bag while the filtered liquid continues through the outlet.

The level of filtration depends on several factors, including the filter material, micron rating, flow rate, particle type, and process conditions. As contaminants build up, the filter bag gradually becomes loaded and is replaced when the pressure drop reaches the recommended operating limit.

Compared with cartridge filters, bag filters can provide higher dirt-holding capacity in many high-volume applications and can often be replaced quickly, helping to reduce downtime during routine maintenance. The best choice depends on the required micron rating, flow rate, contaminant load, and available housing.

Types of Industrial Filter Bags

Different filtration applications require different bag materials and construction methods. Choosing the right option depends on the process fluid, particle size, temperature, chemical compatibility, and required filtration performance.

Non-Woven Felt Filter Bags

Polyester and polypropylene felt filter bags are commonly used for depth filtration. Their layered structure allows particles to be captured throughout the thickness of the media, providing good dirt-holding capacity.

These filtration bags are suitable for many applications, including wastewater treatment, oils, chemicals, food processing, and general industrial liquid filtration.

Nylon Mesh Filter Bags

Nylon mesh filter bags provide surface filtration with consistent and clearly defined openings. They are often selected when predictable particle retention and precise filtration performance are required.

Mesh bags can be suitable for applications where particles need to be captured at a specific size while maintaining efficient flow.

Synthetic & Chemical-Resistant Filter Bags

Synthetic bag filter materials are available for applications that require durability and resistance to demanding process conditions. For aggressive chemicals, acids, caustics, and solvents, selecting a chemically compatible filter material is essential.

The right material can help improve filter life, maintain filtration performance, and reduce the risk of premature failure.

Micron Ratings and Filtration Performance

Industrial filter bags are available in a wide range of micron ratings, allowing businesses to select the appropriate level of particle removal for their application. Selecting the right bag filter micron rating helps balance particle capture, flow, and filter service life.

Lower micron ratings are generally used for finer filtration, while higher micron ratings are suitable for larger particles and coarse sediment removal. The correct micron rating should be selected according to the size of contaminants being removed and the requirements of the downstream process.

Common applications may include fine polishing, general process filtration, sediment removal, and coarse pre-filtration. Options such as 25-micron filter bags and other ratings are available depending on the required filtration performance and process requirements.

Choose the Right Bag Filter for Your System

Selecting the right industrial bag filter at FilterMart involves more than choosing a micron rating. Several operating factors should be considered to ensure reliable and efficient filtration.

Key factors include:

• Process fluid or gas being filtered
• Required micron rating
• Flow rate
• Operating temperature
• Chemical compatibility
• Particle type and concentration
• Required dirt-holding capacity
• Filter housing size and configuration

Choosing the correct combination of filter material and bag design can help improve performance while reducing unnecessary filter changes and operating costs. For replacement applications, confirm the bag size, seal configuration, housing compatibility, and process conditions before ordering.

Buy Bag Filters for Different Applications

Industrial bag filters are used across a wide range of sectors because they can be adapted to different fluids, contaminants, and operating conditions.

Water & Wastewater Treatment

Bag filters can remove sediment, suspended solids, and process contaminants before water reaches pumps, membranes, or downstream treatment equipment. They can be used as part of industrial water treatment and process water filtration systems.

Chemical Processing

Chemical filter bags can be selected according to compatibility with acids, caustics, solvents, and other aggressive process fluids. Selecting the correct filtration media helps maintain performance and supports safer, more reliable operation.

Food & Beverage Production

Industrial filter bags can help remove unwanted particles from process liquids while supporting clean and efficient production operations. Material selection should always be based on the requirements of the specific process.

Paints, Coatings & Inks

Bag filters can capture gels, skins, agglomerates, and other contaminants before they reach application equipment, helping to improve product consistency and protect downstream components.

Oil & Lubricant Filtration

Industrial liquid filter bags can help remove abrasive contaminants from oils and lubricants, supporting the protection of pumps, bearings, hydraulic systems, and other sensitive equipment.

Recycling & Process Water

Recycling facilities and manufacturing plants often deal with process water containing mixed debris and suspended solids. High-capacity bag filters can provide an efficient solution for removing contaminants before water is reused or discharged.

High-Temperature Applications

High-temperature bag filters are available for processes where standard filtration materials may not provide sufficient thermal resistance. Selecting a suitable material is important for maintaining filtration performance under elevated operating temperatures.

Bag Filter Housings & Filtration Systems

A filter bag is only one part of a complete filtration system. The correct filter housing is equally important for maintaining safe and reliable operation.

Bag filter housings are available in different materials, sizes, and configurations to suit varying process requirements. Single-bag housings are often suitable for lower flow applications, while multi-bag and high-capacity bag filtration systems can support larger industrial processes.

When selecting a bag filter system, compatibility between the filter bag, housing, seals, and operating conditions should always be considered.

Durable Replacement Filter Bags

Regular filter replacement is important for maintaining consistent flow and filtration efficiency. As contaminants accumulate inside the bag, pressure drop increases, and the filter eventually reaches the end of its effective service life.

Replacement bag filters are available in different materials, micron ratings, sizes, and seal configurations. Matching the replacement filter to the existing housing and process requirements helps maintain reliable filtration performance.

Why Choose Filtermart as Your Bag Filter Supplier?

Finding the right bag filter supplier involves more than simply selecting a product from a catalogue. Filter performance depends on the correct combination of material, micron rating, size, seal style, chemical compatibility, and operating conditions. An experienced industrial bag filter supplier can also help confirm bag size, material, micron rating, and housing compatibility.

Filtermart helps businesses source industrial bag filters and replacement filter bags for a wide range of applications. Whether you need standard filter bags, high-capacity filtration options, chemical-resistant materials, or compatible replacements for an existing housing, our team can help identify suitable solutions based on your application and filtration requirements.

• Wide range of industrial bag filters and filter bags
• Multiple materials and micron ratings
• Standard and replacement filter options
• Solutions for high-flow and high-capacity applications
• Support for identifying compatible replacements
• Options for chemical, water, food, oil, and industrial processes
• Support for industrial facilities, distributors, and OEM requirements

Find the Right Industrial Bag Filter in the USA

Choosing the right industrial bag filter can improve process efficiency, protect downstream equipment, and help maintain consistent product quality.

Filtermart offers industrial bag filters and replacement filter bags for a wide range of applications and operating conditions. Whether you need fine particle removal, high dirt-holding capacity, chemical resistance, or a compatible replacement for an existing filtration system, selecting the right combination of material, micron rating, and size is essential.

Explore our range of industrial filtration solutions or contact the Filtermart team for assistance selecting the right bag filter for your application.

FAQs

What is a bag filter?

A bag filter is a filtration device that uses a fabric or mesh bag to capture particles from a liquid or gas stream. The filter bag is installed inside a compatible housing, allowing contaminants to be retained while filtered fluid continues through the system.

What industries use industrial bag filters?

Industrial bag filters are used across water treatment, chemical processing, food and beverage production, oil and lubricant filtration, recycling, paints and coatings, and many other manufacturing processes.

What is the difference between a bag filter and a cartridge filter?

Bag filters generally provide strong dirt-holding capacity and are commonly used for high-volume applications. Cartridge filters may be preferred for applications requiring finer filtration or specific filtration characteristics.

How do I choose the right industrial filter bag?

The right filter bag depends on the process fluid, flow rate, operating temperature, chemical compatibility, particle size, contaminant load, and required micron rating.

What micron rating should I choose?

The correct micron rating depends on the size of particles that need to be removed and the requirements of the process. Lower micron ratings provide finer filtration, while higher ratings are generally used for larger particles.

Are replacement filter bags available?

Yes. Replacement bag filters are available in different sizes, materials, micron ratings, and configurations to suit a wide range of industrial filter housings.

Can bag filters be used for chemical filtration?

Yes, provided the filter material is compatible with the chemical being processed. Chemical compatibility and operating conditions should always be considered when selecting a filter bag.

How often should a bag filter be replaced?

Replacement frequency depends on contaminant load, flow rate, pressure drop, operating conditions, and the type of filtration media being used. Monitoring system pressure can help identify when replacement is required.